| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "components/web_resource/eula_accepted_notifier.h" |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "build/build_config.h" |
| #include "components/prefs/pref_service.h" |
| #include "components/web_resource/web_resource_pref_names.h" |
| |
| namespace web_resource { |
| |
| EulaAcceptedNotifier::EulaAcceptedNotifier(PrefService* local_state) |
| : local_state_(local_state), observer_(nullptr) { |
| } |
| |
| EulaAcceptedNotifier::~EulaAcceptedNotifier() { |
| } |
| |
| void EulaAcceptedNotifier::Init(Observer* observer) { |
| DCHECK(!observer_ && observer); |
| observer_ = observer; |
| } |
| |
| bool EulaAcceptedNotifier::IsEulaAccepted() { |
| if (local_state_->GetBoolean(prefs::kEulaAccepted)) |
| return true; |
| |
| // Register for the notification, if this is the first time. |
| if (registrar_.IsEmpty()) { |
| registrar_.Init(local_state_); |
| registrar_.Add(prefs::kEulaAccepted, |
| base::Bind(&EulaAcceptedNotifier::OnPrefChanged, |
| base::Unretained(this))); |
| } |
| return false; |
| } |
| |
| // static |
| EulaAcceptedNotifier* EulaAcceptedNotifier::Create(PrefService* local_state) { |
| // First run EULA only exists on ChromeOS, Android and iOS. On ChromeOS, it is |
| // only shown in official builds. |
| #if (defined(OS_CHROMEOS) && defined(GOOGLE_CHROME_BUILD)) || \ |
| defined(OS_ANDROID) || defined(OS_IOS) |
| // Tests that use higher-level classes that use EulaAcceptNotifier may not |
| // have local state or may not register this pref. Return null to indicate not |
| // needing to check the EULA. |
| if (!local_state || !local_state->FindPreference(prefs::kEulaAccepted)) |
| return nullptr; |
| return new EulaAcceptedNotifier(local_state); |
| #else |
| return nullptr; |
| #endif |
| } |
| |
| void EulaAcceptedNotifier::NotifyObserver() { |
| observer_->OnEulaAccepted(); |
| } |
| |
| void EulaAcceptedNotifier::OnPrefChanged() { |
| DCHECK(!registrar_.IsEmpty()); |
| registrar_.RemoveAll(); |
| |
| DCHECK(local_state_->GetBoolean(prefs::kEulaAccepted)); |
| observer_->OnEulaAccepted(); |
| } |
| |
| } // namespace web_resource |